body{
    margin: 0;
    padding: 0;
    background: rgba(0, 0, 0, 0.1);
}
.bodyContent{
    width: 1280px;
    height: 530px;
    margin: 60px auto 0;
    background: url(../image/bg.jfif) no-repeat;
    background-size: 100%;
}
.canvasContainer{
    width: 500px;
    height: 500px;
    margin: 0 auto;
    padding-top: 15px;
}